Fix UIA Word movement tests #11253
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Fix UIA Word movement tests #11253
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carlos-zamora
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lhecker
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carlos-zamora
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Jun 21, 2022
…(Windows 11 Sun Valley 2) (#10964) Supersedes #9771 and #10716. Closes #1682. Closes #8653. Closes #9867. Closes #11172. Closes #11554. Summary of the issue: Microsoft has significantly improved performance and reliability of UIA console: * microsoft/terminal#4018 is an almost complete rewrite of the UIA code which makes the console's UIA implementation more closely align with the API specification. * microsoft/terminal#10886, microsoft/terminal#10925, and microsoft/terminal#11253 form a robust testing methodology for the UIA implementation, including bug fixes in response to newly added tests based on Word's UIA implementation. * microsoft/terminal#11122 removes the thousands of empty lines at the end of the console buffer, significantly improving performance and stability. Since all console text ranges are now within the text buffer's bounds, it is no longer possible for console to crash due to the manipulation by UIA clients of an out-of-bounds text range. * Countless other accessibility-related PRs too numerous to list here. We should enable UIA support on new Windows Console builds by default for performance improvement and controllable password suppression. Description of how this pull request fixes the issue: This PR: * Exposes all three options for the UIA console feature flag in the UI (replaces the UIA check box with a combo box). * Adds a runtime check to test if `apiLevel >= FORMATTED`, and use UIA in this case when the user preference is auto. This is the case on Windows 11 Sun Valley 2 (SV2) available now in beta and set for release in the second half of 2022.
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Summary of the Pull Request
Fixes the 24 failing generated tests. 20 of them were fixed by enforcing the following rule: when moving backwards by word...
The fix was simple: if we're a degenerate range, check if we're at the beginning of the word. If not, move there. Otherwise, move to the word before it. See UiaTextRangeBase.cpp changes for implementation details.
Along the way, several misauthored tests were found:
MovementAtExclusiveEndbackwards word movement tests:endwill always bewriteTargetbecause...startandendare moved to the beginning of the word (writeTarget)UiaTextRangeBasebugfix, we should be moving to the word behind it.References
#10925 Word navigation testing